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One method to evaluate the clinical success of cemented restorations is measuring the marginal adaptation. There is a correlation between the fitting of the restoration and problems caused by clinically undetectable passage of bacteria between the tooth structure and the veneer. To evaluate in comparison the marginal adaptation of veneers produced via CAD/CAM and press technique. 32 extracted incisors are divided into two equal-number groups (n=16) according to the production technique - CAD/CAM zirconium veneers and press-ceramic veneers. Cut sections are